44 lines
814 B
Crystal
44 lines
814 B
Crystal
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class DummyDriver < DB::Driver
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def prepare(query)
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DummyStatement.new(self, query.split.map { |r| r.split ',' })
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end
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class DummyStatement < DB::Statement
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def initialize(driver, @items)
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super(driver)
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end
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def exec(*args)
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DummyResultSet.new self, @items.each
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end
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end
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class DummyResultSet < DB::ResultSet
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def initialize(statement, @iterator)
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super(statement)
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end
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def has_next
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@iterator.next.tap do |n|
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return false if n.is_a?(Iterator::Stop)
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@values = n.each
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return true
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end
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end
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def read_string
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@values.not_nil!.next as String
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end
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def read_u_int64
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read_string.to_u64
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end
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end
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end
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DB.register_driver "dummy", DummyDriver
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def get_dummy
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DB.driver "dummy", {} of String => String
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end
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